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23212321442525 = 5241107886723869
BaseRepresentation
bin1010100011100100010100…
…01011001000101011011101
310001012002001120222121012102
411101302022023020223131
511020302313242130100
6121211332051014445
74614014651533655
oct521621213105335
9101162046877172
1023212321442525
11743a321346066
12272a85359a425
13cc4bb2a622a7
145a36a7809365
152a3c14616cd5
hex151c8a2c8add

23212321442525 has 48 divisors (see below), whose sum is σ = 29765476762560. Its totient is φ = 17944840742400.

The previous prime is 23212321442383. The next prime is 23212321442539. The reversal of 23212321442525 is 52524412321232.

It is not a de Polignac number, because 23212321442525 - 214 = 23212321426141 is a prime.

It is a super-2 number, since 2×232123214425252 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 972476291 + ... + 972500159.

It is an arithmetic number, because the mean of its divisors is an integer number (620114099220).

Almost surely, 223212321442525 is an apocalyptic number.

23212321442525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23212321442525 is a deficient number, since it is larger than the sum of its proper divisors (6553155320035).

23212321442525 is a wasteful number, since it uses less digits than its factorization.

23212321442525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32894 (or 32889 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

Adding to 23212321442525 its reverse (52524412321232), we get a palindrome (75736733763757).

The spelling of 23212321442525 in words is "twenty-three trillion, two hundred twelve billion, three hundred twenty-one million, four hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 41 107 205 535 1025 2675 4387 8867 21935 23869 44335 109675 119345 221675 363547 596725 948769 978629 1817735 2553983 4743845 4893145 9088675 12769915 23719225 24465725 38899529 63849575 104713303 194497645 211646423 523566515 972488225 1058232115 2617832575 5291160575 8677503343 22646167261 43387516715 113230836305 216937583575 566154181525 928492857701 4642464288505 23212321442525